96 ILLINOIS BIOLOGICAL MONOGRAPHS [186 



EXPLANATION OF PLATE 



Fig. 7, a-d Cuscuta odontokpis typica 



Fig. 7, e Cuscuta odoniolepis fimhriata 



Fig. 8, a-e Cuscuta erosa 



Fig. 9, a-e Cuscuta umbellata typica 



Fig. 9, f-g Cuscuta umbellata dubia 



Fig. 10, a-e Cuscuta floribunda 



Fig. 11, a-e Cuscuta chapalana (d represents the ovary) 



Fig. 12, a-e Cuscuta partita 



